Inital version 1.0,I make a patch files which can update 20 files to Version 1.1.I can run the patch exe to come true it from version1.0 to version1.1.But nowadays ,i only want to update A called file from verion1.0 to 1.1 by the before patch exe.In other word,individual file update by the patch exe which can update 20 files.Thanks in advanced.